android 关于2.2版本之前的流量统计

不是原帖的原帖地址：http://www.eoeandroid.com/forum.php?mod=viewthread&tid=201729&extra=page%3D3&page=1

2.2以前流量统计可以使用
package com.AAJM;

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import android.util.Log;

public class TrafficStatsLL {
/**
* 获取网络流量信息
* 利用读取系统文件的方法来进行获取网络流量
* 主要意义在于可以应用于2.2以前的没有提供TrafficStats接口的版本
* @author cxy
* @Date 2011-8-4
*/
public static String readInStream(FileInputStream inStream){
try {
ByteArrayOutputStream outStream = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int length = -1;
while((length = inStream.read(buffer)) != -1 ){
outStream.write(buffer, 0, length);
}
outStream.close();
inStream.close();
return outStream.toString();
} catch (IOException e){
Log.i("FileTest", e.getMessage());
}
return null;
}
////////////////////////////////////获取手机2G/3G的下载流量//////////////////////////////////////
public static long getMobileRxBytes()
{
long ReturnLong=0; //查询到的结果
try {
File file = new File("/proc/net/dev");
FileInputStream inStream = new FileInputStream(file);
String a=readInStream(inStream);
int startPos=a.indexOf("rmnet0:");
a=a.substring(startPos);
Pattern p=Pattern.compile(" \\d+ ");
Matcher m=p.matcher(a);
while(m.find()){
ReturnLong=Long.parseLong(m.group().trim());
break;
}

} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
return ReturnLong;
}

////////////////////////////////////获取手机2G/3G的上传流量//////////////////////////////////////
public static long getMobileTxBytes()
{
long ReturnLong=0; //查询到的结果
try {
int count=0; //返回结果时的计数器
File file = new File("/proc/net/dev");
FileInputStream inStream = new FileInputStream(file);
String a=readInStream(inStream);
int startPos=a.indexOf("rmnet0:");
a=a.substring(startPos);
Pattern p=Pattern.compile(" \\d+ ");
Matcher m=p.matcher(a);
while(m.find()){
if(count==8)
{
ReturnLong=Long.parseLong(m.group().trim());
break;
}
count++;

}

} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
return ReturnLong;
}

////////////////////////////////////获取手机Wifi的下载流量//////////////////////////////////////
public static long getWifiRxBytes()
{
long ReturnLong=0; //查询到的结果
try {
File file = new File("/proc/net/dev");
FileInputStream inStream = new FileInputStream(file);
String a=readInStream(inStream);
int startPos=a.indexOf("wlan0:");
a=a.substring(startPos);
Pattern p=Pattern.compile(" \\d+ ");
Matcher m=p.matcher(a);
while(m.find()){
ReturnLong=Long.parseLong(m.group().trim());
break;
}

} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
return ReturnLong;
}

////////////////////////////////////获取手机Wifi的上传流量//////////////////////////////////////
public static long getWifiTxBytes()
{
long ReturnLong=0; //查询到的结果
try {
int count=0; //返回结果时的计数器
File file = new File("/proc/net/dev");
FileInputStream inStream = new FileInputStream(file);
String a=readInStream(inStream);
int startPos=a.indexOf("wlan0:");
a=a.substring(startPos);
Pattern p=Pattern.compile(" \\d+ ");
Matcher m=p.matcher(a);
while(m.find()){
if(count==8)
{
ReturnLong=Long.parseLong(m.group().trim());
break;
}
count++;
}

} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
return ReturnLong;
}

////////////////////////////////////根据uid获取进程的下载流量//////////////////////////////////////
public static long getUidRxBytes(int uid)
{
long ReturnLong=0; //查询到的结果

try {
String url="/proc/uid_stat/"+String.valueOf(uid)+"/tcp_rcv";
File file = new File(url);
FileInputStream inStream;
if(file.exists())
{
inStream = new FileInputStream(file);
ReturnLong=Long.parseLong(readInStream(inStream).trim());
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

//Log.i(url+"文件并不存在","可能原因为该文件在开机后并没有上过网，所以没有流量记录");
return ReturnLong;
}

////////////////////////////////////根据uid获取进程的上传流量//////////////////////////////////////
public static long getUidTxBytes(int uid)
{
long ReturnLong=0; //查询到的结果
try {
String url="/proc/uid_stat/"+String.valueOf(uid)+"/tcp_snd";
File file = new File(url);
if(file.exists())
{
FileInputStream inStream = new FileInputStream(file);
ReturnLong=Long.parseLong(readInStream(inStream).trim());
}
} catch (FileNotFoundException e1) {
e1.printStackTrace();
}
return ReturnLong;
}
}

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